Stud Mount Valve Spring Compressor Tool 66784 Heavy Duty Steel Anti Slip Valve Spring Removal Installer Tool for All 3/8in 7/16i Features 1OE Number: The part number for reference is 66784. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 2Multifunctional Use: The valve spring compressor tool is suitable for all 3/8in and 7/16in rocker studs, specially designed for compressing valve springs with the cylinder head on block, can easily and quickly remove valve spring from an assembled engine for checking or replacing. 3Heavy Duty Steel Construction: The engine valve spring removal tool is crafted from heavy duty steel for enhanced reliability and durability, resistant to oxidation and wear, ensuring long lasting performance. 4360 Degree Swivel Handle: The handle swivels 360 degrees to compress and lock spring down to desired height, making it easy to remove or install keepers, press down to compress coil spring and remove valve keepers. 5Enhanced Grip: The valve spring compressor install and remove tool features a enhanced grip handle for anti slip and effort saving use, providing a secure grip during use for enhanced safety and comfort. Specification Item Type: Stud Mount Valve Spring Compressor Tool OE Number: 66784 Application: Used for disassembling and assembling valve springs Fitment: Suitable for All 3/8in 7/16in Rocker Studs Package List 1 x Valve Spring Compressor 1 x Handle